Potassium silicate
Reagent grade, water-free grade
Reagent
Code: #224437
Alias
Potassium silicate
CAS Number
1312-76-1
science Other reagents with same CAS 1312-76-1
blur_circular Chemical Specifications
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Molecular Information
Weight
154.28(anhydrous basis) g/mol
Formula
K₂SiO₃·xH₂O
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Registry Numbers
MDL Number
MFCD00145152
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Storage & Handling
Storage
Room temperature, dry, sealed
description Product Description
Used as a binder in cement, refractory materials, ceramics, and glass due to its high temperature stability and fireproof properties. Commonly applied in water glass paints and coatings. Acts as a corrosion inhibitor in cooling systems and as a rust preventer for metal repair and protection. Serves as a flocculant in wastewater treatment. Employed in the production of silica gel and as a setting accelerator in concrete to enhance strength and environmental durability. In agriculture, used as a foliar spray and supplemental fertilizer to strengthen plant cell walls, improving resistance to pests, diseases, and environmental stress. Also utilized as a fire retardant in the textile industry.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Appearance | Colorless glassy solid or vitreous liquid |
| SiO2:K2O (WT%) | 2.5:1 |
| K2O | 28–28.8 % |
| Cu | ≤ 0.000001% (28% K2SiO3 in water) |
| Ni | ≤ 0.000005% (28% K2SiO3 in water) |
| Cl | ≤ 0.001% (28% K2SiO3 in water) |
| Pb | ≤ 0.00005% (28% K2SiO3 in water) |
| K2CO3 | ≤ 0.05% (28% K2SiO3 in water) |
| Fe | ≤ 0.0002% (28% K2SiO3 in water) |
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